162540341 has 2 divisors, whose sum is σ = 162540342. Its totient is φ = 162540340.

The previous prime is 162540337. The next prime is 162540403. The reversal of 162540341 is 143045261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154008100 + 8532241 = 12410^2 + 2921^2 .

It is an emirp because it is prime and its reverse (143045261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162540341 - 2² = 162540337 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162540341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162540641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81270170 + 81270171.

It is an arithmetic number, because the mean of its divisors is an integer number (81270171).

Almost surely, 2^162540341 is an apocalyptic number.

It is an amenable number.

162540341 is a deficient number, since it is larger than the sum of its proper divisors (1).

162540341 is an equidigital number, since it uses as much as digits as its factorization.

162540341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 162540341 is about 12749.1309899930. The cubic root of 162540341 is about 545.7415945946.

The spelling of 162540341 in words is "one hundred sixty-two million, five hundred forty thousand, three hundred forty-one".